How to Publish Your Slides to a Slide Library in PowerPoint

How to Publish Your Slides to a Slide Library in PowerPoint
Microsoft SharePoint slide libraries help you to easily share, repurpose, and reuse Microsoft Office PowerPoint slides, reducing the number of times you need to re-create slides. This feature requires the use of a Windows SharePoint Services team workspace.

After saving your presentation, you can publish your slides to a slide library by using the following steps:
1. Click the Office button. On the Publish menu, click Publish Slides.
2. Select the check box next to each slide that you want to publish to your slide library.
3. Type the Web address of your team site in the Publish To text box.
4. Click Publish.